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Finding the Fourth Proportional to 269,576.20, 404,364.30 and 217,088.20

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Solution

The fourth proportional to 269,576.20, 404,364.30 and 217,088.20 is: 325,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576.20 : 404,364.30 = 217,088.20 : x
  2. Step 2: Convert to fraction form
    269,576.20/404,364.30 = 217,088.20/x
  3. Step 3: Cross multiply
    269,576.20x = 404,364.30 × 217,088.20
  4. Step 4: Simplify right side
    269,576.20x = 87,782,718,031.26
  5. Step 5: Solve for x
    x = 87,782,718,031.26/269,576.20
  6. Step 6: Final answer
    x = 325,632.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.